Home / 3,740.83-5,611.28-1,108.38

Finding the Fourth Proportional to 3,740.83, 5,611.28 and 1,108.38

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Solution

The fourth proportional to 3,740.83, 5,611.28 and 1,108.38 is: 1,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.83 : 5,611.28 = 1,108.38 : x
  2. Step 2: Convert to fraction form
    3,740.83/5,611.28 = 1,108.38/x
  3. Step 3: Cross multiply
    3,740.83x = 5,611.28 × 1,108.38
  4. Step 4: Simplify right side
    3,740.83x = 6,219,446.03
  5. Step 5: Solve for x
    x = 6,219,446.03/3,740.83
  6. Step 6: Final answer
    x = 1,662.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.